Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: Scalability, Software Design Patterns, Node.JS, Distributed Computing, Dataflow, Data Pipelines, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Performance Tuning, Live Streaming, Real Time Data, Systems Architecture, File I/O, Javascript, Object Oriented Programming (OOP), Systems Design, Maintainability, OS Process Management
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Responsible AI, Containerization, Scalability, Docker (Software), AI Orchestration, Application Deployment, Kubernetes, Azure Active Directory, AI Integrations, System Monitoring, AI Workflows, Agentic systems, Artificial Intelligence, Microsoft 365, Generative AI Agents, Enterprise Architecture, Microsoft Azure, Agentic Workflows, AI Security, Enterprise Security
★ 4 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Manufacturing and Production, Manufacturing Processes, Product Engineering, Robotic Process Automation, Manufacturing Operations, Production Process, Industrial Engineering, Automation, Enterprise Resource Planning, Product Development, Supply Chain Management, Plant Operations and Management, Internet Of Things, Robotics, Facility Management and Maintenance, Digital Transformation, Systems Integration, Real Time Data, Data Sharing
★ 4.6 (24) · Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Strategic Decision-Making, Leadership Studies, Data Literacy, Organizational Leadership, Strategic Leadership, Leadership, Decision Making, Organizational Effectiveness, Digital Transformation, Leadership and Management, Leadership Development, Data Quality, Professional Development, Agile Methodology, Storytelling, Organizational Structure, Portfolio Management, Critical Thinking
★ 4.6 (108) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Productivity Software, Multimedia, Business Communication, Content Creation, User Accounts, Web Presence, Graphic Design, Business Development
★ 4.9 (14) · Beginner · Guided Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Electrical Systems, Electrical Power, Model Based Systems Engineering, Electric Power Systems, Climate Change Mitigation, Energy and Utilities, Environmental Issue, Engineering Software
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Routing Protocols, Network Routing, OSI Models, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Security, File Transfer Protocol (FTP), Remote Access Systems
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Web Services, Restful API, Web Applications
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Image Analysis, Computer Vision, Artificial Neural Networks, Natural Language Processing, Deep Learning, Machine Learning
★ 4.4 (40) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Software Development
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Network Support, Network Routers, Virtual Networking, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Network Planning And Design, Virtual Private Networks (VPN)
★ 4 (19) · Beginner · Specialization · 1 - 3 Months